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In recent decades, the implementation of micro piles have been increased extensively in large projectconstructions because of the unique advantages of this method compared to concrete piles.The results of centrifugetests and numerical analysis show that efficiency and importance of micropiles can be considered as an effectivefunctional solution. This research is designed to use a numerical modeling using finite elemet software Plaxis 3dFoundation v1.6 and also the FHWA code for a comparative study between micropiles and microbulbs . then theeffective factors was analysed in order to choose the better method for between these two methods(micropile andmicrobulb). The results showed that the new microbulb system is an appropriate solution for improvement ofmechanical properties of the soil ,increase of bearing capacity and settlement decrease.

Based on static analysis, an analytical model based on general shear failure mechanism of logarithm spiral type has been developed for calculating directly bearing capacity of foundations, qult from cone resistance, qc. The transform of failure mechanism from shallow to deep foundation, and scale effect has been considered in the proposed...

soils using ANSYS 10 finite element software. First, a sandy soil media with properly given properties is modeled and under increasing loading its bearing capacity is studied. Then micropiles with 20cm diameter and 4m length, with various inclinations 0 to 45 degree with the vertical axes which are used in practical usages inserted in...

There are several methods to investigate the bearing capacity of shallow foundations. Majority of these methods are only compatible with homogeneous or up to two layer foundation soils. In reality, footingsare most likely to be founded on multi–layered soils. The most common approach to predict the bearing capacity of shallow foundations...

The determination of the bearing capacity of strip foundations on frictional–cohesive soils is of interest to geotechnical practicing engineers. On the basis of limit equilibrium approach, this paper presents a new method to compute the ultimate bearing capacity of shallow foundations on c–f soils. For purpose, an imaginary retaining wall...

Performing human made that lead to structures damages have occurred due to earthquakes and seismic load.Studying the existing structures and the methods of retrofitting has an important role in earthquake–pronecountries. Nowadays, micropiles are commonly used in structures as a practical element to retrofit the seismicbehaviors. In this...

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راهنمای دریافت مقاله‌ی «Numerical Analysis and comparison of Micropile’s Pressure Bearing Capacity With the new Microbulb system on clay in Shiraz, Iran» در حال تکمیل می‌باشد.